User's Manual

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4.4.2 Originate Call
ATD<str>[;] Mobile originate call to dial a number. <str>: string of dialing digits, dialing digits:0～9
<;> only required to set up voice call , return to command state.
The Max length of dialing digits is 20; The prefix ”+” is not counted to the length of dialing digits.
4.4.3 Answer a incoming call
ATA using the command can answer a incoming call.
ATA responds coming call by RING. It will display the calling phone number if CLIP (Calling Line Identity Indication
Presentation) function is set. ATA will return NO CARRIER for responding hang up after connection.
4.4.4 Disconnect call
AT+CHUP using the command can disconnect a connection.
Appendix：Mechanical dimensions of U6300
The following are Mechanical dimensions of U6300 bottom view, side view and top view. (Unit: mm)
Top View Side View Bottom View